Ministry of Environment
EcoCat:The Ecological Reports Catalogue
EcoCat Image

Report: Squamish Estuary Fish Passage Improvement Project COA-F23-F-3643

Report Documents
Map Plotfiles
  • No files of this type available
Data Files
  • No files of this type available
Digital Map Files
  • No files of this type available
Image Document
  • No files of this type available
Video Files
  • No files of this type available
All Documents

  • No files available


  • If you have any questions on the information presented, or require additional report data or attachments, please contact the Report Contact

The Central Estuary Restoration Project is the culmination of over forty years of planning and development between Squamish Nation, Fisheries and Oceans Canada, the provincial government, and the Squamish River Watershed Society to restore salmon habitat and tidal connectivity between the Squamish River and the central estuary.

Author:  Edith Tobe

Old Reference Number:  COA-F23-F-3643

Old Reference System:  FWCP - Fish Wildlife Compensation Program Coastal

Date Published:  Nov 2022

Report ID:  60064

Audience:  Government and Public

In the early 1970s a Training Berm road was constructed from the Mamquam River down to Howe Sound in order to confine the Squamish River to allow the construction of a deep sea coal port in the estuary. The 5 km road was completed in 1972. At the same time regulatory agencies back in the day determined the Squamish estuary was not a good location for a coal port and then spent the ensuing years studying the biological diversity within the estuary. In the early 2000s DFO, and then the SRWS, embarked on installing nine culvert crossings across the Training Berm to re-establish tidal/river exchange. In addition to this work, in early 2001 the SRWS secured funding through the former Bridge Coastal Restoration Program (File #01LM18) to remove the 15-hectare dredge spoils site associated with the construction of the Training Berm/Coal Port and construct salmon habitat and tidal channels throughout the site. The ensuing years resulted in numerous projects that were supported by Squamish Nation and government agencies to restore salmon habitat throughout the estuary. Studies and ongoing research over the decades allowed for greater insights into the effectiveness of these restoration efforts and whether juvenile salmonids were able to access the estuary form the river and the benefits to salmon stocks and increased biodiversity. The results were observations that salmon were not able to move across the nine culvert openings which likely resulted in undue mortality in the outmigrating juvenile Chinook salmon.

Report Type
  Fish and Aquatic Habitat Information
  Fish Species - Chinook Salmon - Oncorhynchus tshawytscha
  Region - Lower Mainland
  Fish and Fish Habitat - Restoration

Warranty Disclaimer

This information is provided as a public service by the Government of British Columbia, Box 9411, Victoria, British Columbia, Canada V8W 9V1. This Web site and all of the information it contains are provided "as is" without warranty of any kind, whether express or implied. All implied warranties, including, without limitation, implied warranties of merchantability, fitness for a particular purpose, and non-infringement, are hereby expressly disclaimed. Limitation of Liabilities Under no circumstances will the Government of British Columbia be liable to any person or business entity for any direct, indirect, special, incidental, consequential, or other damages based on any use of this Web site or any other Web site to which this site is linked, including, without limitation, any lost profits, business interruption, or loss of programs or information, even if the Government of British Columbia has been specifically advised of the possibility of such damages.